Davey Tree CEO Karl Warnke to retire; company makes another …Crain’s Cleveland BusinessWarnke will step down on July 21 but intends to remain active with the Kent-based tree-care company. It’s been a busy time for Davey, which announced that it …Davey Tree CEO retiring; Kent company buying Oak Knolls East golf …Akron Beacon Journalall 4 news articles »